EBK ORGANIC CHEMISTRY: PRINCIPLES AND M
EBK ORGANIC CHEMISTRY: PRINCIPLES AND M
2nd Edition
ISBN: 9780393543971
Author: KARTY
Publisher: VST
Question
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Chapter 26, Problem 26.38P
Interpretation Introduction

(a)

Interpretation:

From the given monomers which monomer will undergo anionic polymerization is to be given.

Concept introduction:

In any free radical polymerization reaction generally, three steps are involved viz. initiation, propagation, and termination. In the initiation step, free radicals are generated from either monomer or from another compound such as hydrogen peroxide or benzoyl peroxide called a radical initiator instead of radical cations and anions also used for this purpose. In propagation, step radicals react with the monomer to grow the chain to build up polymer and this process is called a chain-growth polymerization or addition polymerization. If the polymerization reaction is initiated by cation, then it called cationic polymerization and when the anion is used, it called anionic polymerization. Generally, the vinyl monomer will undergo anionic polymerization when the electron-withdrawing group(s) are attached to the C=C bond and it will undergo cationic polymerization when the electron-donating group(s) are attached to the C=C bond. The addition (cationic or anionic) which forms more stable species will undergo that type of polymerization readily. The cation will be generated by electrophilic-addition of the electrophile, E+ across the C=C bond and an anion is generated by nucleophilic addition of nucleophile, Nu-.

Interpretation Introduction

(b)

Interpretation:

From the given monomer which monomer will undergo cationic polymerization is to be given.

Concept introduction:

In any free radical polymerization reaction generally, three steps are involved viz. initiation, propagation, and termination. In the initiation step, free radicals are generated from either monomer or from another compound such as hydrogen peroxide or benzoyl peroxide called a radical initiator instead of radical cations and anions also used for this purpose. In propagation, step radicals react with the monomer to grow the chain to build up polymer and this process is called a chain-growth polymerization or addition polymerization. If the polymerization reaction is initiated by cation, then it called cationic polymerization and when the anion is used, it called anionic polymerization. Generally, the vinyl monomer will undergo anionic polymerization when the electron-withdrawing group(s) are attached to the C=C bond and it will undergo cationic polymerization when the electron-donating group(s) are attached to the C=C bond. The addition (cationic or anionic) which forms more stable species will undergo that type of polymerization readily. The cation will be generated by electrophilic-addition of the electrophile, E+ across the C=C bond and an anion is generated by nucleophilic addition of nucleophile, Nu-.

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Chapter 26 Solutions

EBK ORGANIC CHEMISTRY: PRINCIPLES AND M

Ch. 26 - Prob. 26.11PCh. 26 - Prob. 26.12PCh. 26 - Prob. 26.13PCh. 26 - Prob. 26.14PCh. 26 - Prob. 26.15PCh. 26 - Prob. 26.16PCh. 26 - Prob. 26.17PCh. 26 - Prob. 26.18PCh. 26 - Prob. 26.19PCh. 26 - Prob. 26.20PCh. 26 - Prob. 26.21PCh. 26 - Prob. 26.22PCh. 26 - Prob. 26.23PCh. 26 - Prob. 26.24PCh. 26 - Prob. 26.25PCh. 26 - Prob. 26.26PCh. 26 - Prob. 26.27PCh. 26 - Prob. 26.28PCh. 26 - Prob. 26.29PCh. 26 - Prob. 26.30PCh. 26 - Prob. 26.31PCh. 26 - Prob. 26.32PCh. 26 - Prob. 26.33PCh. 26 - Prob. 26.34PCh. 26 - Prob. 26.35PCh. 26 - Prob. 26.36PCh. 26 - Prob. 26.37PCh. 26 - Prob. 26.38PCh. 26 - Prob. 26.39PCh. 26 - Prob. 26.40PCh. 26 - Prob. 26.41PCh. 26 - Prob. 26.42PCh. 26 - Prob. 26.43PCh. 26 - Prob. 26.44PCh. 26 - Prob. 26.45PCh. 26 - Prob. 26.46PCh. 26 - Prob. 26.47PCh. 26 - Prob. 26.48PCh. 26 - Prob. 26.49PCh. 26 - Prob. 26.50PCh. 26 - Prob. 26.51PCh. 26 - Prob. 26.52PCh. 26 - Prob. 26.53PCh. 26 - Prob. 26.54PCh. 26 - Prob. 26.55PCh. 26 - Prob. 26.56PCh. 26 - Prob. 26.57PCh. 26 - Prob. 26.58PCh. 26 - Prob. 26.59PCh. 26 - Prob. 26.60PCh. 26 - Prob. 26.61PCh. 26 - Prob. 26.62PCh. 26 - Prob. 26.63PCh. 26 - Prob. 26.64PCh. 26 - Prob. 26.65PCh. 26 - Prob. 26.66PCh. 26 - Prob. 26.67PCh. 26 - Prob. 26.68PCh. 26 - Prob. 26.69PCh. 26 - Prob. 26.70PCh. 26 - Prob. 26.71PCh. 26 - Prob. 26.72PCh. 26 - Prob. 26.73PCh. 26 - Prob. 26.74PCh. 26 - Prob. 26.75PCh. 26 - Prob. 26.76PCh. 26 - Prob. 26.77PCh. 26 - Prob. 26.78PCh. 26 - Prob. 26.1YTCh. 26 - Prob. 26.2YTCh. 26 - Prob. 26.3YTCh. 26 - Prob. 26.4YTCh. 26 - Prob. 26.5YTCh. 26 - Prob. 26.6YTCh. 26 - Prob. 26.7YTCh. 26 - Prob. 26.8YTCh. 26 - Prob. 26.9YTCh. 26 - Prob. 26.10YTCh. 26 - Prob. 26.11YTCh. 26 - Prob. 26.12YTCh. 26 - Prob. 26.13YTCh. 26 - Prob. 26.14YTCh. 26 - Prob. 26.15YTCh. 26 - Prob. 26.16YTCh. 26 - Prob. 26.17YTCh. 26 - Prob. 26.18YTCh. 26 - Prob. 26.19YTCh. 26 - Prob. 26.20YTCh. 26 - Prob. 26.21YTCh. 26 - Prob. 26.22YTCh. 26 - Prob. 26.23YT
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